function preload () 
{

pic1= new Image(); 
pic1.src="http://gi171.photobucket.com/groups/u296/IV7OF1KYJ2/button_nav_home_a.jpg";

pic2= new Image(); 
pic2.src="http://gi171.photobucket.com/groups/u296/IV7OF1KYJ2/button_nav_media_a.jpg";

pic3= new Image(); 
pic3.src="http://gi171.photobucket.com/groups/u296/IV7OF1KYJ2/button_nav_community_a.jpg";

pic4= new Image(); 
pic4.src="http://gi171.photobucket.com/groups/u296/IV7OF1KYJ2/button_nav_help_a.jpg";

pic5= new Image(); 
pic5.src="http://gi171.photobucket.com/groups/u296/IV7OF1KYJ2/button_nav_support_a.jpg";

pic6= new Image(); 
pic6.src="http://gi171.photobucket.com/groups/u296/IV7OF1KYJ2/button_nav_about-us_a.jpg";

}